Home / 1,350,313.30-1,860,441.51-890,616.70

Finding the Fourth Proportional to 1,350,313.30, 1,860,441.51 and 890,616.70

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Solution

The fourth proportional to 1,350,313.30, 1,860,441.51 and 890,616.70 is: 1,227,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,313.30 : 1,860,441.51 = 890,616.70 : x
  2. Step 2: Convert to fraction form
    1,350,313.30/1,860,441.51 = 890,616.70/x
  3. Step 3: Cross multiply
    1,350,313.30x = 1,860,441.51 × 890,616.70
  4. Step 4: Simplify right side
    1,350,313.30x = 1,656,940,278,179.22
  5. Step 5: Solve for x
    x = 1,656,940,278,179.22/1,350,313.30
  6. Step 6: Final answer
    x = 1,227,078.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.